footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 120px;
    z-index: 1000;
    background-color: #fff;
    border-top: 1px solid #d5d5d5;
    display: flex;
    justify-content: center;
    align-items: center;
    a {
      display: flex;
      flex: 1;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      color: #000;
      span {
        font-size: 30px;
        line-height: 50px;
        &.anticon {
          font-size: 50px;
        }
      }
      &.active {
        color: orangered;
        font-weight: bold;
      }
    }
  }